Tag Archives: flash

So while talking with friends who are all new DSLR owners this past weekend, we discussed the solutions for the most common problems people have with their photos. So of course, it sparked an idea for a blog post. Here is part 1: “My Photos Are Blurry.”

The reason for a blurry photo is that the shutter speed is too slow to stop either fast moving action or camera shake in low light situations. The faster action moves, the faster the shutter speed required to stop the action; the longer your lens setting (telephoto), the faster the shutter speed required to stop camera shake since the shake is magnified (think about looking through powerful binoculars and how hard it is to hold them without the seeing shake); and finally, in lower the lighting conditions, the shutter speed slows down to let in more light, making it harder to hand hold.

So what to do? First, you need to understand what the ideal shutter speed is for hand-holding to avoid camera shake. The quick answer to to shoot at a shutter sped that is no slower than the reciprocal of the focal length setting of your lens. So if you are zoomed out to 300mm to catch sports, nature, wildlife or candid portraits, the ideal shutter sped will be 1/300th of a second or faster to stop hand shake blur. However, with today’s stabilized lenses, you can shoot a 2-3 or even 4 stops slower with no resulting hand-shake. Second, understand that it is almost impossible for anyone to hand hold the camera at any focal length setting if the shutter speed goes below 1/30th of a second. Thirdly, if action is moving fast, like soccer or basketball, you will need a shutter speed of approx. 1/500th of a second. If the action moves even faster than that, such as car racing or horse racing, you will need to shoot even faster (1/1000th, 1/2500th, etc.(.

Solution 1: Open your aperture to let in more light and the camera will pick a faster shutter speed.
If you set your camera to aperture priority, move the aperture towards a wider opening (e.g., F/6.3, F/5.6, F/3.5) and watch your shutter speed get faster. Hopefully, you will be able to get a shutter speed / aperture combination that allows you to have a fast shutter speed for the action or zoom setting. Be mindful that with an open aperture, you have less depth of field, so precisely focusing on the critical part of your image is very important.

Solution 2: If opening the aperture does not give you a shutter speed high enough to action blur or stop hand shake from slow shutter speeds as a result of low light or long telephoto settings, then the next solution is to boost your ISO higher. A higher ISO, will automatically provide you with higher shutter speeds. While your photo might have a little more noise or not as vibrant of color, you will be able to shoot the image. (Some DSLRs have really great high ISO capabilities, so don’t be afraid to try higher ISO settings).

Solution 3 (and my least favorite): If neither solution above works, then you can try to increase the lighting in the scene. One way is by adding flash. Flash will certainly freeze action and eliminate hand shake blur (as long as you are not in night time portrait mode). While flash can lead to an artificial feeling in your shot, hence my reason for it not being my favorite, it can do the job effectively and send you home with images of the moment. Remember, however, that flash can only cover a certain distance, and is sometimes not allowed at certain venues, so solutions 1 or 2 or a combination of both may be your only choices to correct the problem.

The image above would have been completely different had I used flash. So I boosted my ISO to 1600 so that the little bit of light coming into the room could be captured naturally. My lens was zoomed to 60mm, making the magic shutter speed 1/60th of a second. However, with my stabilized lens, I was fortunate to be able to catch the image at 1/8th of a second, the fastest shutter speed I could achieve with the given lighting, ISO setting and open aperture (F/4). The VC stabilization allowed me to shoot 3 stops slower than what would be normally required.

And of course, a solution that works the best for low light situations is a tripod. As long as there is no movement in your shot, a tripod will stabilize your camera and let you shoot at rather slow shutter speeds. Tripods are the most essential tool for landscape and nature photographers since a smaller aperture like F/11, F/16 or F/22 are required to achieve deep depth of field, but shutter speeds are naturally slower.

Next time you are shooting in low light, shooting at a longer telephoto zoom setting, or shooting action, consider the solutions above and you should find your images will be sharp as a result.

I have to admit it. Flash is my least favorite type of photography. I suppose since it seems so technical and the results can vary from situation to situation, looking artificial, too dark or too washed out. Luckily, today’s flashes can run pretty much on auto pilot and can be used for creative effect with just a little practice. But this time of year, and for the next four or five months, we’re all stuck indoors a great deal of the time, especially during the holiday season when we take so many candid photos at get-togethers. So I thought I’d share just a few basic flash tips to improve your indoor photos:

1) Your pop-up flash, the one that is part of the camera and pops up automatically if you are shooting in the “green box” total program mode, can cover just a short distance. Most of the time, any subject further than ten feet cannot get enough of the flash illumination for a properly exposed shot and that is why they look dark. You can boost your ISO to higher than normal (try 800 or 1000) to try and get more reach.

2) When you position your subject too close to a wall and use your pop-up flash, you are bound to get harsh shadows behind your subject. Eliminate this by having your subject step a few feet away from the wall and by shooting from a little bit above the subject (which is also a more flattering angle for portraits).

3) Your pop-up flash can cause red-eye quite often. This is because the flash is so close to the lens. It is worse on point-and-shoot cameras than DSLR cameras, but typical in either case. To eliminate red-eye, you can use the red-eye reduction function that throws out a pre-flash to make your subject’s eyes close down, but I find often that people think you’re done and move before the photo is actually shot. You can also try turning up the lights in the room to help the iris naturally close down a little.

4) If you are in a very dark room, the camera/flash may over-expose your subject (you know, the white face that appears to have nothing but eyes and lips) since the camera reads the room as very dark and wants to make it brighter. This also happens if you are too close to your subject. One solution is to back up to correct the latter, and turn up the room lights if you can for the former. If you cannot control the lighting, try moving your subject closer to a room light like I did above.

An on-camera auxiliary flash, like the one for my camera shown above, elevates the flash away from the lens and helps to reduce red-eye dramatically. This type of flash also helps in other ways: a) it can throw the flash further allowing you to be further away from your subject; and b) you can change the position of the flash to get more even lighting with much less shadows. This is called “bounce flash.”

{bounce flash}

The photo above of my very Thanksgiving-weary subject was taken with the auxiliary flash in a bounce position. The flash bounced off of the ceiling and back down onto my subject. You can see the lighting looks much more natural and softer than in either of the two photos below where the shots look more artificial and harsh. In the photos below, you can also see the harsh shadow under the lamp and on the futon frame. And, there are hot spots on her cheeks. You can also see how quickly the flash “drops off,” meaning the couch gets darker, whereas in the photo above, the couch and subject are all evenly illuminated since the bounced flash showers the whole area with light. One caution–always bounce off of a white wall or ceiling as the flash will take on the color cast of what it is being bounced off of (e.g., a green ceiling will produce a ghoulish effect).

{pop-up flash on camera}

{straight-on auxiliary flash}

Like learning how to control your depth of field to blur backgrounds, mastering your flash is a must for anyone who is looking to take better people photos. So this season, try to remember some of the tips above when shooting your flash candids at family gatherings. And if you can get an auxiliary flash made for your camera onto your wish list, it will be a worthwhile investment for many years.